During the Glimpse he feels that he has travelled close to his journey's end, to the fulfilment of his highest purposes. The quest has suddenly become easy and pleasant. But alas! after the rainbow fades and vanishes, he is forced to recognize that he has far yet to go, that what he experienced was only a passing glimpse and not the final goal.
-- Notebooks Category 22: Inspiration and the Overself > Chapter 8: Glimpses and Permanent Illumination > # 18